15-year plan for X-ray astronomy, 1994-2008 :
report of the X-ray Astronomy Program Working Group, June 1994.

APA Citation

United States. X-ray Astronomy Program Working Group., United States. Office of Space Science. High Energy Astrophysics Branch. (1994). 15-year plan for X-ray astronomy, 1994-2008: report of the X-ray Astronomy Program Working Group, June 1994. Washington, D.C.: High Energy Astrophysics Branch, Astrophysics Division, Office of Space Science, National Aeronautics and Space Administration.

MLA Citation

United States. X-ray Astronomy Program Working Group, and United States. Office of Space Science. High Energy Astrophysics Branch. 15-year Plan for X-ray Astronomy, 1994-2008: Report of the X-ray Astronomy Program Working Group, June 1994. Washington, D.C.: High Energy Astrophysics Branch, Astrophysics Division, Office of Space Science, National Aeronautics and Space Administration, 1994.

Warning: These citations may not always be complete (especially for serials).